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What printing knowledge does a graphic designer need to master
- Dec 08, 2018 -

Designers need to understand the printing knowledge, the ultimate goal is to make their design intent as perfect as possible. Although it is not that you have done this, the printing house can do everything you want (this requires Look at the level of the printer and your communication, equipment, materials, crafts, etc., but at least have the foundation to not deviate too far from your design ideas.

A graphic design work, the design performance elements involved mainly include the following points: 1. Planar material: 2. Color: 3. Image; 4. Graphics; 5. Text; 6. Special performance techniques, etc.; In fact, these factors that have an impact on post-production are best understood and more good. If you don't understand it, there is no big deal. The impact is two aspects. One is whether the design can be realized, and the other is the cost of design realization. For the first point, as the previous answerer Liu Jin said, after seeing it for a long time, the expectation on the front end is reduced. You dug the pit, they fill it, although it is not guaranteed to fill.

The designers who come into contact first often have several basic points that make the post-production heads bigger: 1. Software: Photoshop is used to process pictures, and it is not necessary to use them for typesetting, especially for text content. (Please don't laugh, this is a lot of situations); please use AI, use Indesign, etc. - the reason is that the files ejected by PS, the text will eventually become the image format, easy to faint; 2. Bleeding: If the picture in the design, Graphics, text and other elements are close to the net size (0-1.5mm). Due to the error in the cutting of the device, you need to consider that the final product will have three effects: White edge (if the background color is dark or Black, it will be difficult to see), just cut to the position you want (you are too lucky), text or other elements are cut a part (do not blame me for cutting more), if you do not care about these three situations, then OK; If there is a problem, for example, if you actually want to cut the line, please leave the large part of the graphic image in the cut (the so-called bleeding, 3mm beyond the net size), otherwise, please move to the net size of 3mm or more. Built; 3 color mode: using CMYK, do not use the RGB. The reason is: the color expression mode and expression range of the later materials are different from what you see on the computer. Generally speaking, the color range of ordinary paper printing is much smaller than the color range displayed by the designer computer (especially Apple), which is why every designer thinks that the design works are printed and always look good without your design. This includes several aspects: First, the software's own color settings (SHIFT + CTRL + K), CMYK color space, if you can know the settings of the late printing factory, please use the same settings, if you can't know, choose a Japan Color2001 or Fogra39, the domestically standardized printers use these two; if you want to communicate with the previous customers, please set the RGB space to sRGB - the default option for most computers, so that you see at least And he is relatively closer in a pattern; the second is any image graphics involved, please use CMYK mode; because of the difference in color expression range between RGB and CMYK modes, if you set to RGB mode, the later conversion you are Uncontrollable, you can change CMYK yourself. If you feel bad, you can at least adjust it. 4. Image accuracy: If it is used for printing, please make sure the images are above 300dpi (not under the premise of scaling the original image size). If not enough. There will be a possibility of falsification; 5. Graphics/transformed text/LOGO, etc.: Pay attention to overprinting, and you can check whether there is any abnormality through view-overprint preview. Often some LOGOs and texts are overprinted but I don't know. If the results are not checked and the reminder is not printed, this can sometimes lead to major errors. 6. Text: The application of the font: not every font you use, there are printers in the late stage; not every font you use, it can be printed (fonts are displayed in fonts and printed fonts); When the factory file is determined, if it is determined that there will be no text modification, the text (including the composite font) can be rotated all the way, so as to avoid the problems of various fonts; the color of the text: if there is no special requirement, please use the monochrome color Black, the reason is that unless there is a big word, if it is four colors, due to the error of the machine, there is a problem of overprinting, it is easy to make the text imaginary, not good-looking; the size of the text: if it is anti-white, it is difficult to guarantee because of the background color Monochrome, so there is still a problem of registration, so the font of the reverse white text should not be too small; 7. The color and expression range of the material: the color expression range of different materials is completely different, the inkjet can be very bright, but the ordinary printing The color range is relatively small, if it is not coated paper such as coated paper, the color performance range will be smaller (such as book paper and news paper), if you encounter such a situation In the early stage, the color of the design is controlled to a certain extent, which is more controllable than the post-processing. 8. Control of ink quantity (dark picture and black color block): The level of printing too deep is difficult to express, and the total amount of ink (sum of CMYK color value) > 360 is difficult to express, and it is difficult to make ink , easy to stick flowers and other issues. It should be controlled below 360 (or below 340, see the post-printing factory standard). If it is exceeded, the color block (AI/IN) or picture (PS) color value can be adjusted in advance; 7. PDF output of the file: PDF of the output printing standard If you are not sure, select "Print Quality" in the option to save PDF, or directly select a standard "PDF/X-1a" or "PDF/X-4" to ensure the printing standard while ensuring Reduce file size and improve file transfer efficiency. 8. Application of special process: laminating / bronzing / UV / bump and other processes, in the design, it is best to combine the work and post-production of the printing staff to communicate the feasibility and difficulty of the implementation, do not think that the design is very good, but later It is found that it can not be realized, or there is no way to mass production (it is a different matter to be able to do it well and to mass produce).

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